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Sibert, Elizabeth C; Hull, Pincelli M; Norris, Richard D (2014): Ichthyolith counts and MAR at Gubbio outcrop [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.834230, In supplement to: Sibert, EC et al. (2014): Resilience of Pacific pelagic fish across the Cretaceous/Palaeogene mass extinction. Nature Geoscience, 7(9), 667-670, https://doi.org/10.1038/ngeo2227

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Further details:
Lowrie, William; Alvarez, Walter (1977): Upper Cretaceous–Paleocene magnetic stratigraphy at Gubbio, Italy III. Upper Cretaceous magnetic stratigraphy. Geological Society of America Bulletin, 88(3), 374-377, https://doi.org/10.1130/0016-7606(1977)88%3C374:UCMSAG%3E2.0.CO;2
Monechi, Simonetta; Thierstein, Hans R (1985): Late Cretaceous-Eocene nannofossil and magnetostratigraphic correlations near Gubbio, Italy. Marine Micropaleontology, 9(5), 419-440, https://doi.org/10.1016/0377-8398(85)90009-X
Mukhopadhyay, Sujoy; Montanari, Alessandro; Farley, Kenneth A (2001): A Short Duration of the Cretaceous-Tertiary Boundary Event: Evidence from Extraterrestrial Helium-3. Science, 291(5510), 1952-1955, https://doi.org/10.1126/science.291.5510.1952
Premoli Silva, Isabella (1977): Upper Cretaceous–Paleocene magnetic stratigraphy at Gubbio, Italy II. Biostratigraphy. Geological Society of America Bulletin, 88(3), 371-374, https://doi.org/10.1130/0016-7606(1977)88%3C371:UCMSAG%3E2.0.CO;2
Sibert, Elizabeth C; Hull, Pincelli M; Norris, Richard D (2014): Age model of Gubbio outcrop [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.834214
Coverage:
Latitude: 43.360000 * Longitude: 12.580000
Minimum SECTION, height: 343.83 m * Maximum SECTION, height: 355.43 m
Event(s):
Gubbio (GUB) * Latitude: 43.360000 * Longitude: 12.580000 * Location: Italy
Comment:
DEPTH, sediment/rock [m] is given in mbsf. All Ichthyolith counts were collected as part of this study. The primary age model was developed using biostratigraphic and magnetostratigraphic markers (see Gubbio Age model for details) and age datums from GTS 2012. A second age model (a helium age model) was used to test the sensitivity of our conclusions to age models affects. Helium sedimentation rates were directly taken from Figure 2 of Mukhopadhyay et al. (2001). The Gubbio K/Pg boundary is at 347.63 m (GTS 2012 boundary age = 66.04 Ma). MAR were calculated using a constant dry bulk density of 2.7g/cm^3 in both cases.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample code/labelSample labelSibert, Elizabeth C
2Depth, relativeDepth relmSibert, Elizabeth Crelative to K/Pg (m)
3SECTION, heightSectionmGeocode
4AGEAgeka BPGeocode
5IchthyolithsIchthyol#Sibert, Elizabeth CCounting >38 µm fraction
6Dry massDry mgSibert, Elizabeth C
7IchthyolithsIchthyol#/gSibert, Elizabeth CCounting >38 µm fraction
8Accumulation rate, massMARg/cm2/kaSibert, Elizabeth C
9Accumulation rate, ichthyolithsAcc rate ichthyol#/cm2/kaSibert, Elizabeth CCounting >38 µm fraction
10Age model, optionalAge model optkaSibert, Elizabeth Crough est. He MARs
11Accumulation rate, massMARg/cm2/kaSibert, Elizabeth Crough est. He MARs
12Accumulation rate, ichthyolithsAcc rate ichthyol#/cm2/kaSibert, Elizabeth CCounting >38 µm fractionrough est. He MARs
Size:
341 data points

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